10 Questions
What did the narrator encounter while floating through the air?
A giant pair of black holes
Where did the narrator end up after passing the sticky, mucus lining?
Into another tunnel
What is the purpose of the oxygen atoms mentioned in the text?
To help things breathe
How much of the oxygen a person breathes in makes it to the lungs?
One-quarter
Where did the narrator whizz straight along into after making it to the lungs?
The bronchial tubes
What is the main purpose of the red blood cell in the context of the passage?
To transport oxygen and carbon dioxide in the body
Where does the red blood cell go after being carried away by the bloodstream?
The heart
What is the approximate total length of veins in an adult human?
90,000 miles
What happens to the red blood cell in the liver?
It gets filtered and purified
What is the next destination for the red blood cell after the liver?
The lungs
Experience the adventure of a molecule as it travels through the bronchioles, alveoli, and bloodstream. Learn about the exciting journey from the lungs to the heart and beyond.
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